8491055 has 16 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 6343680.

The previous prime is 8491051. The next prime is 8491061. The reversal of 8491055 is 5501948.

It is not a de Polignac number, because 8491055 - 2² = 8491051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8491051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3551 + ... + 5439.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^8491055 is an apocalyptic number.

8491055 is a deficient number, since it is larger than the sum of its proper divisors (2395345).

8491055 is a wasteful number, since it uses less digits than its factorization.

8491055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 8491055 is about 2913.9414887743. The cubic root of 8491055 is about 204.0111409397.

The spelling of 8491055 in words is "eight million, four hundred ninety-one thousand, fifty-five".